All assembly constituencies — Bihar assembly election, Oct 1977
324 assembly constituencies declared, sorted by largest victory.
| Assembly seat | State | Winner | Runner-up | Margin |
|---|---|---|---|---|
| SINGHIA | Bihar | CPIRAMJATAN PASWAN | INDLAXMI PASWAN | 8881.82% |
| KOLEBIRA | Bihar | JKDBIRSING MUNDA | JNPWILLIAM MUNDA (LUGUN) | 6011.81% |
| SILLI | Bihar | CPMRAJENDRA SINGH | JNPGOVIND CHANDRA MAHTO | 5811.69% |
| ARRAH | Bihar | JNPSUMITRA DEVI | INCMD. ISHA | 8071.67% |
| KURTHA | Bihar | SSDNAGNANI | JNPS.M. ZAHIRUDDIN | 1,2801.63% |
| MOKAMEH | Bihar | INCKRISHNA SHAHI | JNPCHANDRA SHEKHAR PRASAD | 1,1491.61% |
| NALANDA | Bihar | INCSHYAM SUNDAR PRASAD | JNPKRISHNADEO PRASAD | 1,0081.51% |
| BIBHUTPUR | Bihar | INCBANDHU MAHTO | JNPSURESH PRASAD MAHTO | 7631.15% |
| MASSAURHI | Bihar | JNPRAMDEO PRASAD YADAV | INCRAJ KISHORE PRASAD | 8941.05% |
| PUPRI | Bihar | JNPHABIB AHMAD | INCRAM BRIKSH CHOUDHARY | 6860.97% |
| LITIPARA | Bihar | INDSIMON MARANDI | INDMARANG MURMU | 1490.80% |
| LAUKAHA | Bihar | INCKULDEO GOIT | JNPABDUL HAI PAYAMI | 4880.75% |
| SINGHESHWAR | Bihar | JNPDINBANDHU PD. YADAV | INCJAI KUMAR SINGH | 4820.75% |
| CHATRA | Bihar | JNPS. AHMAD SABR | INDPRAJAPALAK NATH SINGH | 1760.55% |
| KASBA | Bihar | INCJAI NARAYAN MEHTA | JNPBHUBNESHWAR ARYA | 2550.52% |
| BOKARO | Bihar | INDSAMRESH SINGH | JNPIMAMUL HAI KHAN | 2050.45% |
| BAKHTIARPUR | Bihar | INCBUDHDEO SINGH | JNPVIJAY KRISHNA SINGH | 3430.45% |
| HISUA | Bihar | JNPBABU LAL SINGH | INDADITYA SINGH | 2430.41% |
| DHANAHA | Bihar | INCHAR DEO PRASAD | JNPYOGENDRA PD. SRIVASTAVA | 1240.37% |
| BIHAR | Bihar | CPIDEVNATH PRASAD | JNPTAQUE REHMAN | 2470.32% |
| GHORASAHAN | Bihar | INCRAJENDRA PRATAP SINGH | JNPMANGAL PRASAD YADAV | 1750.30% |
| CHAKAI | Bihar | INDFALGUNI PD. YADAV | JNPKUMAR NARENDRA PD. SINGH | 950.20% |
| SUGAULI | Bihar | CPMRAMASHRAY SINGH | CPIBHUPNARAIN SINGH | 960.17% |
| MANDAR | Bihar | INCKARAM CHAND BHAGAT | JNPKAILASH ORAON | 310.07% |
